Related Experiment Video
Updated: Jul 24, 2025
08:45
Mapping Cortical Dynamics Using Simultaneous MEG/EEG and Anatomically-constrained Minimum-norm Estimates: an Auditory Attention Example
Published on: October 24, 2012
14.7K
Large-scale neural dynamics in a shared low-dimensional state space reflect cognitive and attentional dynamics
Hayoung Song1, Won Mok Shim2,3,4, Monica D Rosenberg1,5
1Department of Psychology, University of Chicago, Chicago, United States.
Elife
|July 3, 2023
Summary
Brain dynamics reveal how cognitive and attentional states emerge from neural coordination. This study maps brain activity to attention fluctuations during various tasks and media consumption, uncovering shared neural states for attention and lapses.
Area of Science:
- Neuroscience
- Cognitive Science
- Brain Dynamics
Background:
- Cognition and attention depend on coordinated neural systems.
- The underlying low-dimensional latent subspace of neural dynamics and its relation to cognitive states remain unclear.
Purpose of the Study:
- To investigate the latent subspace of large-scale neural dynamics.
- To understand how these dynamics relate to cognitive and attentional states.
- To identify neural correlates of attention fluctuations in different contexts.
Main Methods:
- Functional magnetic resonance imaging (fMRI) was used.
- Participants engaged in attention tasks, watched videos (sitcoms, documentary), and rested.
- Analysis focused on whole-brain dynamics and functional network synchronization.
Main Results:
- Whole-brain dynamics moved through common latent states aligned with functional brain organization gradients.
- Neural dynamics synchronized across individuals during engaging media, aligning with narrative structures.
- Distinct neural states correlated with engaged attention and attention lapses in both task and naturalistic settings.
Conclusions:
- Large-scale brain organization gradients reflect cognitive and attentional dynamics.
- Neural state traversals provide a framework for understanding attention.
- Brain dynamics exhibit commonalities across different cognitive demands and contexts.
Related Concept Videos
01:19High-Level and Low-Level Awareness
293
Controlled processes in human consciousness represent high-alert mental states where individuals deliberately focus their attention on achieving specific goals. Controlled processes can be seen in situations like mastering new technology, where a person might become so absorbed that they ignore surrounding distractions. Such processes involve selective attention, requiring one to concentrate on particular elements of experience while disregarding others. These are governed by executive...
293
01:15Subconsciousness and No Awareness
268
The concept of subconscious awareness refers to the processing of information below the level of conscious thought, which significantly influences both behaviors and decisions. It is also known as waking subconscious awareness. This complex level of cognition operates without the direct awareness of the individual, facilitating rapid and simultaneous handling of multiple information streams.
An illustrative example of subconscious processing is its role in problem-solving. Often, individuals...
An illustrative example of subconscious processing is its role in problem-solving. Often, individuals...
268
01:23Storage
107
A schema is a mental framework that helps individuals organize and interpret information. Schemata, formed from previous experiences, influence how we process new information: how we encode it, the inferences we make, and how we retrieve it. For instance, a schema for what a typical classroom looks like might include desks, a teacher's desk, a whiteboard, and students in such an environment. This expectation helps us quickly understand and navigate new classrooms without needing to analyze...
107
01:25Neural Circuits
1.3K
Neural circuits and neuronal pools are two of the main structures found in the nervous system. Neural circuits are networks of neurons that work together to carry out a specific task or process. They consist of interconnected neurons and glial cells, which provide structural and metabolic support.
Neuronal pools are collections of nerve cells with similar functions and interact through chemical and electrical signals. These pools include both interneurons (the central neural circuit nodes that...
Neuronal pools are collections of nerve cells with similar functions and interact through chemical and electrical signals. These pools include both interneurons (the central neural circuit nodes that...
1.3K
01:27State Space Representation
245
The frequency-domain technique, commonly used in analyzing and designing feedback control systems, is effective for linear, time-invariant systems. However, it falls short when dealing with nonlinear, time-varying, and multiple-input multiple-output systems. The time-domain or state-space approach addresses these limitations by utilizing state variables to construct simultaneous, first-order differential equations, known as state equations, for an nth-order system.
Consider an RLC circuit, a...
Consider an RLC circuit, a...
245
01:23Understanding Consciousness
336
Consciousness can be defined as the state of being aware of and able to think about one's existence, sensations, and surroundings. It encompasses two major components: awareness and arousal. Awareness pertains to the recognition of environmental stimuli and internal states. At the same time, arousal refers to the physiological readiness to engage with these stimuli, which varies significantly between states like sleep and wakefulness.
Sleep, a crucial state, is characterized by reduced...
Sleep, a crucial state, is characterized by reduced...
336